TERMIUM Plus®
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CROSSPOINT [2 records]
Record 1 - internal organization data 2021-12-13
Record 1, English
Record 1, Subject field(s)
- Telecommunications
Record 1, Main entry term, English
- electronic crosspoint
1, record 1, English, electronic%20crosspoint
correct, NATO
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A crosspoint implemented by solid state of other non-moving contact devices. 1, record 1, English, - electronic%20crosspoint
Record 1, Key term(s)
- electronic cross-point
Record 1, French
Record 1, Domaine(s)
- Télécommunications
Record 1, Main entry term, French
- point de connexion électronique
1, record 1, French, point%20de%20connexion%20%C3%A9lectronique
correct, masculine noun, NATO
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Point de connexion réalisé avec des composants électroniques ou dépourvus de contacts mobiles. 1, record 1, French, - point%20de%20connexion%20%C3%A9lectronique
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2006-03-20
Record 2, English
Record 2, Subject field(s)
- Photoelectricity and Electron Optics
- Physics
- Semiconductors (Electronics)
Record 2, Main entry term, English
- twisted nematic
1, record 2, English, twisted%20nematic
correct
Record 2, Abbreviations, English
- TN 2, record 2, English, TN
correct
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
Twisted nematic : Cigar-like organic molecules form long helical chains when those along one face of the panel are oriented in one direction and those along the other face are oriented at right angles. A polarizing plate allows only ambient light polarized in one direction to pass through. This light is twisted 90 degrees by the helices. A second polarizer on the opposite face, polarized in the same direction as the first one, will block the light, creating a dark display. An applied voltage untwists the helix at a crosspoint, allowing light through and making a bright spot. A plate polarized at right angles will produce a bright display that goes dark at points where voltage is applied. Twisted nematic liquid crystal display(LCD). 3, record 2, English, - twisted%20nematic
Record 2, French
Record 2, Domaine(s)
- Photo-électricité et optique électronique
- Physique
- Semi-conducteurs (Électronique)
Record 2, Main entry term, French
- nématique en hélice
1, record 2, French, n%C3%A9matique%20en%20h%C3%A9lice
correct
Record 2, Abbreviations, French
Record 2, Synonyms, French
- cristal liquide en phase nématique en hélice 2, record 2, French, cristal%20liquide%20en%20phase%20n%C3%A9matique%20en%20h%C3%A9lice
correct, masculine noun
- nématique torsadée 3, record 2, French, n%C3%A9matique%20torsad%C3%A9e
correct, masculine noun
- nématique à torsade 3, record 2, French, n%C3%A9matique%20%C3%A0%20torsade
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Prenons l'exemple de l'effet qui est utilisé dans tous les dispositifs à cristaux liquides actuellement sur le marché : les nématiques en hélice [...]. La couche de cristal liquide nématique dont toutes les molécules sont parallèles est insérée entre deux plaques de verre distantes d'une dizaine de microns, avec des électrodes sur les faces internes. Au départ, les molécules sont parallèles aux plaques, mais par un traitement adéquat des lames on distord l'arrangement des molécules qui se placent en hélice. On place sur les faces externes des plaques deux polariseurs de lumière croisée qui ne devraient pas laisser passer de lumière. Mais grâce à l'anisotropie optique des molécules, l'hélice fait tourner de 90 degrés le plan de polarisation de la lumière qui la traverse. Ainsi, tant que l'hélice existe, la lumière passe. Là où on la détruit, ce qui se fait très simplement en appliquant une tension de quelques volts qui oriente les molécules perpendiculairement aux plaques, le dispositif devient noir. 4, record 2, French, - n%C3%A9matique%20en%20h%C3%A9lice
Record 2, Spanish
Record 2, Textual support, Spanish
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